Surface modification technique using interfacial reaction between Ti-Al alloy and steel

Yasuhiro Morizono, Minoru Nishida, Yoshikazu Kodama, Takateru Yamamuro, Yasuhide Ohno

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Diffusion bonding of Ti and Ti-Al (Ti-10, 20 and 40 mol%Al) alloys to high carbon steel was carried out at 1073 and 1273 K for 3.6 ks in a vacuum. It has been found that the joint with Ti-20 mol%Al alloy is separated in the vicinity of the interface promptly after the bonding treatment at 1273 K. Such a phenomenon could not be observed in other Ti-Al alloy/steel joints, and the Ti-20 mol%Al alloy/steel joint bonded at 1073 K showed a high strength of about 170 MPa. Therefore, this phenomenon depends on the bonding temperature and the composition of the Ti-Al alloys. From the observation results of the interface, it is thought that the diffusion of constituent elements across the interface is part of the reason for the separation phenomenon. The separated surface of the Ti-20 mol%Al alloy side showed diffraction peaks of TiC phase by XRD. Its Vickers hardness was about 1200 and approximately 4 times higher than that before the bonding treatment. It is expected that the separation phenomenon at the Ti-20 mol%Al alloy/steel interface serves surface modification of titanium materials, which show poor wear resistance.

本文言語英語
ホスト出版物のタイトルSupplement to THERMEC 2006, 5th International Conference on PROCESSING and MANUFACTURING OF ADVANCED MATERIALS, THERMEC 2006
出版社Trans Tech Publications Ltd
ページ1248-1252
ページ数5
PART 2
ISBN(印刷版)0878494286, 9780878494286
DOI
出版ステータス出版済み - 2007
外部発表はい
イベント5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006 - Vancouver, カナダ
継続期間: 7 4 20067 8 2006

出版物シリーズ

名前Materials Science Forum
番号PART 2
539-543
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

その他

その他5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006
国/地域カナダ
CityVancouver
Period7/4/067/8/06

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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